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Posted on Aug 06, 2016 4:29 PM

Red light has smallest or longest wavelength. plzz tell i have a doubt


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Red light has longest wave length among visible light.

Yes, red light has longest wavelength because when you pass a beam of white light through the prism you can see the formation of VIBGYOR due to dispersion phenomenon thus the formed is a spectrum arrange d according to the weavlength hence the weavlength order is n v

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